FS-2746 --resolve large xmlrpc update thanks garmt

libs/xmlrpc-c/src/xmlrpc_server_info.c

@@ -16,6 +16,10 @@
   transports.
 =============================================================================*/
 
+#define _XOPEN_SOURCE 600  /* Make sure strdup() is in <string.h> */
+
+#include <string.h>
+
 #include "bool.h"
 #include "mallocvar.h"
 
@@ -229,6 +233,9 @@ xmlrpc_server_info_set_user(xmlrpc_env *         const envP,
         }
         XMLRPC_MEMBLOCK_FREE(char, userNamePw64);
     }
+    if (serverInfoP->userNamePw)
+        xmlrpc_strfree(serverInfoP->userNamePw);
+
     serverInfoP->userNamePw = userNamePw;
 }